Sign Kustomize-Units pushed in the OCI registry
What does this MR do and why?
This issue address the signature of kustomize-units pushed to the OCI registry if, and only if, the Gitlab variables COSIGN_PRIVATE_KEY
is set.
Related reference(s)
Test coverage
- Script build-kustomize-units-artifact.sh with signature ran manually
- CI launched without signature to check that the MR does not break the actual behaviour
Closes #1110